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QISDA CORP

Overview
  • Total Patents
    1,378
  • GoodIP Patent Rank
    2,723
  • Filing trend
    ⇧ 24.0%
About

QISDA CORP has a total of 1,378 patent applications. It increased the IP activity by 24.0%. Its first patent ever was published in 1998. It filed its patents most often in Taiwan, United States and China. Its main competitors in its focus markets optics, audio-visual technology and computer technology are CHRISTIE DIGITAL SYSTEMS USA, PRYSM INC and COMVIEW GRAPHICS LTD.

Patent filings in countries

World map showing QISDA CORPs patent filings in countries

Patent filings per year

Chart showing QISDA CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Su Yung Chun 38
#2 Lin Ming-Kuen 33
#3 Wu Tsung-Hsun 28
#4 Su Yung-Chun 20
#5 Wu Tsung Hsun 19
#6 Lin Chi-Cheng 18
#7 Hsiao Chi Hung 17
#8 Lin Ming Kuen 16
#9 Lee Chang-Hung 16
#10 Chien Chih-Shiung 14

Latest patents

Publication Filing date Title
US2021096242A1 Underwater ultrasonic device
TWI713002B Display device
TWI713001B Display device
TWI692639B Ultrasonic probe
TWI695981B Underwater ultrasonic device
TWI717043B System and method for recognizing aquatic creature
TWI717005B Display system and method for measuring color characteristic
TWI707334B Display device
TWI704983B Screw nozzle and screw suction device using the same
TWI707279B Object information processing system and object information processing method
TW202103071A Information delivery method and information delivery system
TW202102990A Electronic device with display unit and display system
TWI705712B Positioning method for a color calibration module built in a monitor
TW202101367A Display system and display method thereof
TWI709901B Display device
TWI707236B Mode switching system and mode switching method using the same
TWI699191B Ultrasound probe identification system and ultrasound probe identification method
TW202042749A Ultrasound probe check system and ultrasound probe identification method
TW202044078A Host login method
TWI684005B Underwater ultrasonic device